Compose: Restarting Unhealthy Containers
I just want to make sure I am not missing anything in regards to how health checks and restart policies work together. It would seem that when a container is marked as "unhealthy" by a health check, there is no way to instruct compose to restart the container. This is because restart policies only take effect based on the exit code of the container itself.
Is there some way to instruct docker compose to restart an unhealthy container? If not, can anybody suggest an appropriate workaround?
Please note that I understand that orchestration tools like kubernetes can handle these situations. The use case here is for lightweight offline deployments using docker compose up -d, without the need for robust orchestration like kubernetes.
mrname
All 3 comments
That's more of a Docker Engine feature. Here is a good place to start.
shin-
on 15 May 2017
Thanks for the quick response @shin-
mrname
on 16 May 2017
@shin- so, basically you've pointed to a "there is no way to do it" answer and "we won't do it in Docker".
AFAIU, it is exactly the job for an orchestration tool and docker compose is kinda that thing.
I'd say this should be implemented in restart policy or somehow. Moreover, that was there in version 2 compose file in depends_on section.
lig
on 24 Apr 2019
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Most helpful comment
@shin- so, basically you've pointed to a "there is no way to do it" answer and "we won't do it in Docker".
AFAIU, it is exactly the job for an orchestration tool and docker compose is kinda that thing.
I'd say this should be implemented in restart policy or somehow. Moreover, that was there in version 2 compose file in
depends_onsection.